1) How does this blocking card work? This is REAL Blocking Card and it is a passive one. It needs no battery. This blocking card draws energy from the sniffer to power up and instantly creates an EField , a surround electronic field making all 13.5...

1) How does this blocking card work? This is REAL Blocking Card and it is a passive one. It needs no battery. This blocking card draws energy from the sniffer to power up and instantly creates an EField , a surround electronic field making all 13.5...

Don't let your lungs be the ONLY air purifier in your home! The OION Technologies APB-5000 air purifier utilizes electrostatic purification, ultraviolet germicidal irradiation (UVGI) technology to sanitize the air and 3-In-1 HEPA filtration to remove...